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US 2014/0110881 A1Published application
Controlled-release amine-catalyzed, sulfur-containing polymer and epoxy compositions
AssigneePRC-DeSoto International, Inc.
InventorsRaquel Keledjian, Lawrence G. Anderson, Renhe Lin
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Abstract
Compositions comprising sulfur-containing polymers such as polythioethers and polysulfides, polyepoxides, and controlled-release amine catalysts useful in aerospace sealant applications are disclosed. The compositions exhibit extended pot life and the rate of curing can be tailored for specific applications.
Claims20
A composition comprising:
- (a) a sulfur-containing polymer selected from a thiol-terminated sulfur-containing polymer, a blocked thiol-terminated sulfur-containing polymer, and a combination thereof;
- (b) a polyepoxide curing agent;
- and
- (c) a controlled-release amine catalyst.
1 more element
Dependencies are inferred from the claim text.